On 14.01.2015 14:20, Rafał Michalak wrote:
> 
> #node1
> mount /dev/rbd/rbd/test /mnt
> 
> #node2
> mount /dev/rbd/rbd/test /mnt

If you want to mount a filesystem on one block device onto multiple
clients, the filesystem has to be clustered, e.g. OCFS2.

A "normal" local filesystem like ext4 or XFS is not aware that other
clients may alter the underlying block device. This is a sure receipt
for data corruption and loss.

Maybe you should look at CephFS.

Regards
-- 
Robert Sander
Heinlein Support GmbH
Schwedter Str. 8/9b, 10119 Berlin

http://www.heinlein-support.de

Tel: 030 / 405051-43
Fax: 030 / 405051-19

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